Home / 1,082,815.70-1,619,615.55-971,302.10

Finding the Fourth Proportional to 1,082,815.70, 1,619,615.55 and 971,302.10

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Solution

The fourth proportional to 1,082,815.70, 1,619,615.55 and 971,302.10 is: 1,452,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,815.70 : 1,619,615.55 = 971,302.10 : x
  2. Step 2: Convert to fraction form
    1,082,815.70/1,619,615.55 = 971,302.10/x
  3. Step 3: Cross multiply
    1,082,815.70x = 1,619,615.55 × 971,302.10
  4. Step 4: Simplify right side
    1,082,815.70x = 1,573,135,984,907.66
  5. Step 5: Solve for x
    x = 1,573,135,984,907.66/1,082,815.70
  6. Step 6: Final answer
    x = 1,452,819.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.